prepare() — drizzle-orm Function Reference

Architecture documentation for the prepare() function in select.ts from the drizzle-orm codebase.

Function typescript DrizzleORM QueryBuilders

Entity Profile

DrizzleORM→ QueryBuilders→ prepare() — drizzle-orm Function Reference

Dependency Diagram

graph TD
  d28a7fd0_c204_018a_44db_1a419c4ed312["prepare()"]
  6fe5c70d_acdd_5534_3d21_880cc50d4871["SingleStoreSelectBase"]
  d28a7fd0_c204_018a_44db_1a419c4ed312 -->|defined in| 6fe5c70d_acdd_5534_3d21_880cc50d4871
  style d28a7fd0_c204_018a_44db_1a419c4ed312 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

drizzle-orm/src/singlestore-core/query-builders/select.ts lines 990–1004

	prepare(): SingleStoreSelectPrepare<this> {
		if (!this.session) {
			throw new Error('Cannot execute a query on a query builder. Please use a database instance instead.');
		}
		const fieldsList = orderSelectedFields<SingleStoreColumn>(this.config.fields);
		const query = this.session.prepareQuery<
			SingleStorePreparedQueryConfig & { execute: SelectResult<TSelection, TSelectMode, TNullabilityMap>[] },
			TPreparedQueryHKT
		>(this.dialect.sqlToQuery(this.getSQL()), fieldsList, undefined, undefined, undefined, {
			type: 'select',
			tables: [...this.usedTables],
		}, this.cacheConfig);
		query.joinsNotNullableMap = this.joinsNotNullableMap;
		return query as SingleStoreSelectPrepare<this>;
	}